Patent DE333312C successfully refreshed from Google Patents.
DE333312C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Electric momentary switch
Assignee: EMIL PERZL
•
Filing: 1920-02-07
•
Granted: 1921-02-22
•
Expires: 1940-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 23:33
CPC Classifications
H; H01; H01H; H01H5/00; H01H5/02; H01H1/00; H01H1/50; H01H1/54; H01H2001/545
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.